and "somehow" inside that component, having it render the "component instance" passed as a parameter, that's not something we support and it's not something we'll ever support.
In your child component, declare public properties that will receive the parameters passed from the parent component. You can use the [EditorRequired] attribute to mark a parameter as required. Additionally, you can set default values for the parameter by defining it in the getter and setter. [...
DynamicComponent有两个Parameter,一个是Type,表示的是要渲染的组件,另外一个是Parameters,表示渲染的组件的需要的参数。 此外,我们还可以通过DynamicComponent的Instance属性来直接访问被渲染的那个组件的实例: <DynamicComponent Type="@typeof({COMPONENT})" @ref="dc" /> Refresh @code { private DynamicComponent?
It renders the layout and passes it the type of the component to add to theBodyRenderFragment. 组件 所有的组件都是普通的实现了IComponent接口的类。 IComponent接口的定义如下: public interface IComponent { void Attach(RenderHandle renderHandle); Task SetParametersAsync(ParameterView parameters); } ...
[Parameter] Action<string> FromChild {get;set; }privatestringinputText ="";privatevoidPassToParent() { FromChild(inputText); } } 这里FromChild是ChildComponent中的属性,属性使用Action<string>数据类型将值从Child传递给Parent Component。在Parent中,有相应的接收器函数ReceivedFromChild和字符串参数,这将在...
问题在于默认情况下 [Parameter] 绑定是单向的。因此, Page.counter 的值将被赋给 MyFirstComponent.CurrentCounterValue ,因为父视图明确设置了它: <MyFirstComponent CurrentCounterValue=@currentCount/> 1. ...
TheEditFormcomponent implements two-way data binding. The form displays the values retrieved from the mode. However, the user can update these values in the form, and they'll be pushed back to the model. Understand Blazor input controls ...
Pass Context to Command Buttons With the TreeList component you can have conditional command buttons depending on the properties of the row item. This is achieved by adding the current row item as a context (of type object) to the current ChildContent parameter. Keyboard Navigation The Tree...
To access the AuthenticationStateProvider within a service scoped to a component, inject the AuthenticationStateProvider with the @inject directive or the [Inject] attribute and pass it to the service as a parameter. This approach ensures that the correct, initialized instance of the Authentication...
If you need to pass values to the component you are displaying in the modal dialog, then you can use the ModalDialogParameters object. The parameters added to the ModalDialogParameters object will be used to set the [Parameter] values on the component, in addition a [CascadingParameter] is ...